aaaa aaab aaav aaba aabb aaoo aava abaa abab abag abau abb- abba abbb abbo aboa abob aboo abou abov abua abug abva ag-o agag agao agau agav agba agbo agga aggu agob agog agoo agou agua agva aoba auaa auga auug avab avao avgo avou avva avvo baaa baba babb babo babu baga bagg bago bau- baug bava bavu bbau bbbb bbga boab boag boba bobb bobo bobu boga bogg bogo boob boog boua bova bovo buba bubb bubo bubu buga bugg bugo gaba gabb gabo gabu gaga gagg gago gagu gaua gaub gava gbag gbbo gggg goba gobo goga gogo goog gou- goug guaa guag guao guba gubb gubu guga gugb gugg gugu guva gvvv oaau obba obbo ogb ogba ogoa ogog ogou ooaa ooba oooo ouu- ovo- ovoo uaua ubba ubbo ugab ugao uggo uguu uovo uuuu uv-a uv-b uvaa uvvu vag- vaga vagg vava voga vogu voog vugg vugo vvob vvog vvvv